calm, serene
Tom era calmado y sereno.
Tom was calm and serene.
Es muy bueno con el revólver cuando está sereno.
He's very good with a revolver when he's calm.
Debo mantenerme sereno.
I must remain calm.
— El brazo de brillantes (1969)
Siempre sereno, dueño de ti mismo.
Always serene, master of yourself.
— Picnic (1955)
Estaba calmado y sereno.
He was calm and serene.